Advertisements
Advertisements
प्रश्न
One of the free-living anaerobic nitrogen-fixer is _________.
विकल्प
Azotobacter
Beijerinckia
Rhodospirillum
Rhizobium
उत्तर
One of the free-living anaerobic nitrogen-fixer is Rhodospirillum.
APPEARS IN
संबंधित प्रश्न
Explain the different steps involved during primary treatment phase of sewage.
Answer the following question.
What are ‘flocs’, formed during secondary treatment of sewage?
Answer the following question.
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
Why is this sewage water treatment essential?
Identify the INCORRECT statement with respect to sewage treatment.
In the process of sewage treatment, the activated sludge is digested by ______
During sewage, treatment biogas is produced wits which include:
The primary treatment of waste water involves the removal of ______.
Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian rivers from pollution.
